Sunday, June 16, 2013

PerfView – DISK I/O Stack Report

The PerfView is a performance analysis tool from Microsoft, the tool can be used to analyze application performance of both Windows and Web based applications. In this post we shall see on how to analyze the data about DISK I/O, to determine the Disk Utilization of the application.

To analyze the DISK I/O Utilization of an application follow the below steps.

1. Open PerfView.exe
2. Select Collect -> Collect
3. Leave all the settings as it is and click on the Start Collection button.
4. Open the application which you want to profile.
5. Work on the application and close it.
6. Back in the PerfView interface click on the Stop Collect button.
7. PerfView will analyze the trace information and display the reports in the left side tree as follows.

8. Double Click on the Disk I/O Stacks node in the tree.
9. This will open up a pop-up with the list of all the processes which were analyzed.
10. Identify your application / process and double click on the process
11. This will open up another pop-up window with details of the DISK I/O Utilization as follows.

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